SIP-S21

Tonmind SIP-S21 - 15W IP Horn Speaker Outdoor, IP67

The SIP-S21 is a 15W outdoor IP horn speaker designed for reliable voice broadcasting in harsh environments. With an IP67-rated ABS enclosure, it is ideal for outdoor installations such as industrial zones, campuses, parking lots, and public areas. The speaker supports SIP and ONVIF protocols for seamless integration with VoIP systems and IP surveillance platforms. It also supports pre-recorded messages, HTTP API alarm input, and RTP Multicast. The 48kHz OPUS codec ensures excellent sound quality, while PoE power simplifies installation. Compatible with Tonmind Audio Manager and PA System software for efficient control.

Functionality

• SIP and ONVIF support - integration with VoIP and VMS/NVR systems.
• Built-in 15W amplifier - loud and clear sound output.
• IP67-rated enclosure - resistant to water, dust, and weather.
• Pre-recorded message playback - for automated announcements and alerts.
• HTTP API alarm input - fast response to events.
• RTP Multicast support - alternative to SIP backend systems.
• Powered by PoE or DC 12V - flexible installation.
• Compatible with Tonmind Audio Manager and PA System software.

Product Features

• ABS enclosure, IP67 waterproof rating
• Built-in 15W amplifier
• Max SPL: 113dB
• Frequency response: 300Hz - 8kHz
• Supported codecs: OPUS 48kHz, MP3 44.1kHz, G.722, G.711 PCMU/PCMA, GSM, WAV
• 2 SIP accounts, direct IP call, RTP Multicast
• Network interface: RJ45, 10/100 Base-TX
• Protocols: SIP, ONVIF, HTTP, RTSP, RTP, TCP/UDP, DHCP, FTP, NTP, and more
• Security: password protection, IP filtering, access logs
• Power: PoE or DC 12V
• Dimensions: 225 x 165 x 240 mm
• Weight: 1.4 kg
• Warranty: 2 years

The SIP-S21 is a professional-grade IP horn speaker for outdoor use, offering high sound pressure, weather resistance, and broad compatibility with AV and security systems. Ideal for public, industrial, and educational environments where reliable and powerful audio broadcasting is essential.